// Copyright (C) 2013 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.gerrit.server.index.change;

import com.google.gerrit.index.query.FieldBundle;
import com.google.gerrit.index.query.OperatorPredicate;
import com.google.gerrit.index.query.Predicate;
import com.google.gerrit.index.query.QueryBuilder;
import com.google.gerrit.index.query.ResultSet;
import com.google.gerrit.server.query.change.ChangeData;
import com.google.gerrit.server.query.change.ChangeDataSource;
import com.google.gerrit.server.query.change.ChangeQueryBuilder;
import org.eclipse.jgit.lib.Config;
import org.junit.Ignore;

@Ignore
public class FakeQueryBuilder extends ChangeQueryBuilder {
  public static class FakeNonIndexSourcePredicate extends OperatorPredicate<ChangeData>
      implements ChangeDataSource {
    private static final String operator = "baz";

    public FakeNonIndexSourcePredicate(String value) {
      super(operator, value);
    }

    @Override
    public ResultSet<ChangeData> read() {
      return null;
    }

    @Override
    public ResultSet<FieldBundle> readRaw() {
      return null;
    }

    @Override
    public int getCardinality() {
      return 0;
    }

    @Override
    public boolean hasChange() {
      return false;
    }
  }

  FakeQueryBuilder(ChangeIndexCollection indexes) {
    super(
        new QueryBuilder.Definition<>(FakeQueryBuilder.class),
        new ChangeQueryBuilder.Arguments(
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            indexes,
            null,
            null,
            null,
            null,
            null,
            null,
            null,
            new Config(),
            null,
            null,
            null,
            null,
            null));
  }

  @Operator
  public Predicate<ChangeData> baz(String value) {
    return new FakeNonIndexSourcePredicate(value);
  }

  @Operator
  public Predicate<ChangeData> foo(String value) {
    return predicate("foo", value);
  }

  @Operator
  public Predicate<ChangeData> bar(String value) {
    return predicate("bar", value);
  }

  private Predicate<ChangeData> predicate(String name, String value) {
    return new OperatorPredicate<>(name, value) {};
  }
}
